<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">	
	<title>CSS外联样式表</title>
  	<style>
		p:first-line{
			color:red;
		}
		p:first-letter{
			font-size: 30px;
		}
	</style>
</head>
<body>
	<p>
		jim green:"good morning,han meimei!"<br/>
		han meimei:"good morning,jim green!"
	</p>
	<p class="哈哈">
		这是一段写在p元素中的文本
	</p>
</body>
</html>